* 
     */
    public static final int SMB2_FLAGS_SERVER_TO_REDIR = 0x00000001;
    /**
     * 
     */
    public static final int SMB2_FLAGS_ASYNC_COMMAND = 0x00000002;
    /**
     * 
     */
    public static final int SMB2_FLAGS_RELATED_OPERATIONS = 0x00000004;
    /**
     * 
     */
    public static final int SMB2_FLAGS_SIGNED = 0x00000008;
    /**
     * 
     */

    static final int FILE_WRITE_ATTRIBUTES = 0x00000100; // 9
    static final int DELETE                = 0x00010000; // 16
    static final int READ_CONTROL          = 0x00020000; // 17
    static final int WRITE_DAC             = 0x00040000; // 18
    static final int WRITE_OWNER           = 0x00080000; // 19
    static final int SYNCHRONIZE           = 0x00100000; // 20

 * the then same process is repeated for inherited ACEs.
 * <p>
 * For example, if user <tt>WNET\alice</tt> tries to open a file
 * with desired access bits <tt>0x00000003</tt> (<tt>FILE_READ_DATA |
 * FILE_WRITE_DATA</tt>) and the target file has the following security
 * descriptor ACEs:
 * 
 * <pre>
 * Allow WNET\alice     0x001200A9  Direct

    static final int FILE_OVERWRITE_IF = 0x5;


    // create options
    static final int FILE_WRITE_THROUGH           = 0x00000002;
    static final int FILE_SEQUENTIAL_ONLY         = 0x00000004;
    static final int FILE_SYNCHRONOUS_IO_ALERT    = 0x00000010;
    static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;

    // security flags
    static final int SECURITY_CONTEXT_TRACKING = 0x01;

    assertThat(frameLog(false, 0, 0, TYPE_SETTINGS, FLAG_ACK))
      .isEqualTo(">> 0x00000000     0 SETTINGS      ACK")
    assertThat(frameLog(true, 0, 0, TYPE_SETTINGS, FLAG_ACK))
      .isEqualTo("<< 0x00000000     0 SETTINGS      ACK")
    assertThat(frameLog(true, 3, 22, TYPE_HEADERS, FLAG_END_HEADERS))
      .isEqualTo("<< 0x00000003    22 HEADERS       END_HEADERS")

     */

    static final int FILE_OVERWRITE_IF = 0x5;

    // create options
    static final int FILE_WRITE_THROUGH = 0x00000002;
    static final int FILE_SEQUENTIAL_ONLY = 0x00000004;
    static final int FILE_SYNCHRONOUS_IO_ALERT = 0x00000010;
    static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;

    // security flags
    static final int SECURITY_CONTEXT_TRACKING = 0x01;
    static final int SECURITY_EFFECTIVE_ONLY = 0x02;

    static final int DELETE = 0x00010000; // 16
    static final int READ_CONTROL = 0x00020000; // 17
    static final int WRITE_DAC = 0x00040000; // 18
    static final int WRITE_OWNER = 0x00080000; // 19
    static final int SYNCHRONIZE = 0x00100000; // 20
    static final int GENERIC_ALL = 0x10000000; // 28
    static final int GENERIC_EXECUTE = 0x20000000; // 29

    assertThat(countFrames(logs, "FINE: >> 0x00000000     8 PING          "))
      .isEqualTo(1)
    assertThat(countFrames(logs, "FINE: << 0x00000000     8 PING          "))
      .isEqualTo(1)
    assertThat(countFrames(logs, "FINE: >> 0x00000000     8 PING          ACK"))
      .isEqualTo(1)
    assertThat(countFrames(logs, "FINE: << 0x00000000     8 PING          ACK"))
      .isEqualTo(1)
  }

    /**
     * 
     */
    public static final int FILE_NOTIFY_CHANGE_STREAM_SIZE = 0x00000400;

    /**
     * 
     */
    public static final int FILE_NOTIFY_CHANGE_STREAM_WRITE = 0x00000800;

    // actions returned
    /**
     * File has been added
     */
    public static final int FILE_ACTION_ADDED = 0x00000001;
    /**

        Encdec.enc_uint32le(0x00000000, temp, 4); // Reserved
        Encdec.enc_uint64le(nanos1601, temp, 8);
        System.arraycopy(clientChallenge, 0, temp, 16, 8);
        Encdec.enc_uint32le(0x00000000, temp, 24); // Unknown
        if ( avPairs != null )
            System.arraycopy(avPairs, 0, temp, 28, avPairsLength);
        Encdec.enc_uint32le(0x00000000, temp, 28 + avPairsLength); // mystery bytes!